SCA720-D01

Murata Electronics Oy

3/13

www.muratamems.fi

Doc. nr. 82171500

Rev.A

1. Electrical Specifications

1.1.

Absolute Maximum Ratings

Parameter

Value

Units

Acceleration (powered or non-powered)

20 000

(1

g

Supply voltage

−0.3 to +7.0

V

Voltage at input / output pins

−0.3 to VDD + 0.3

V

ESD HBM (Human Body Model)

±

2

kV

ESD CDM (Charged Device Model)

±

500 middle pins

±

750 corner pins

V

Temperature range (storage)

−50 to +125

°C

Temperature range (operating)

−40 to +125

°C

1

Equals to drop from 1 meter on a concrete surface.

1.2.

Performance Characteristics

KPC

A)

Parameter

Condition

Min.

Typ

Max.

Units

Measuring range

Nominal

-1.11

+3.11

g

Supply voltage Vdd

4.75

5.0

5.25

V

<CC>

Current consumption

Vdd = 5 V; No load

2.5

4.0

mA

Operating temperature

−40

+125

°C

Resistive output load

Vout to Vdd or Vss

20

k

Capacitive load

Vout to Vdd or Vss

20

nF

Min. output voltage; Vdd = 5 V

20k from Vout to Vdd

0

0.25

V

Max. output voltage; Vdd = 5 V

20k from Vout to Vss

4.75

5.00

V

Linear output voltage range

Limiter function

enabled

0.5

4.5

V

<CC>

Offset (Output at +1 g)

@ room temperature

Vdd/2

V

<CC>

Sensitivity

@ room temperature

0.1875 ×

Vdd

(≈ 0.9375)

V/g

<SC>

Offset Error (Output at +1 g)

−40 °C...125 °C

-137

0

+137

mg

<SC>

Sensitivity error

−40 °C...125 °C

−3

0

+3

%

Typical non-linearity

Within the measuring

range

−60

+60

mg

Amplitude response −3 dB

B)

68

115

170

Hz

Ratiometric error

Vdd = 4.75 V...5.25 V

−2

+2

%

<SC>

Cross-axis sensitivity

@ room temperature

3.9

%

Output noise

From DC...4 kHz

5

Start-up delay

Reset and parity check

10

ms

Self test pull down resistor

(Internal)

44

62

80

k

A)

CC=

Critical Characteristics. Must be 100% monitored during production

SC=

Significant Characteristic. The process capability (Cpk) must be better than 1.33, which allows sample based

testing. If process is not capable the part will be 100% tested

B)

Output has true DC response